altos/stm32f4: Add STM32F413 disco board support

[fw/altos] / src / stm32f4-disco / ao_disco.c

diff --git a/src/stm32f4-disco/ao_disco.c b/src/stm32f4-disco/ao_disco.c
new file mode 100644 (file)
index 0000000..efbed94
--- /dev/null
+++ b/src/stm32f4-disco/ao_disco.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2018 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include <ao.h>
+
+void main(void)
+{
+       float           x;
+       int             r = 1;
+       int             g = 0;
+
+       ao_clock_init();
+
+       ao_timer_init();
+
+       ao_enable_output(LED_GREEN_PORT, LED_GREEN_PIN, 0);
+       ao_enable_output(LED_RED_PORT, LED_RED_PIN, 1);
+       for (;;) {
+               ao_gpio_set(LED_GREEN_PORT, LED_GREEN_PIN, g);
+               ao_gpio_set(LED_RED_PORT, LED_RED_PIN, r);
+               g ^= 1;
+               r ^= 1;
+               for (x = 0.0f; x < 100000.0f; x = x + 0.1f)
+                       ao_arch_nop();
+       }
+}